package com.jspdev.biyesheji.base;
import java.io.Serializable;
import java.util.HashMap;
import java.util.Iterator;
import java.util.List;
import java.util.Map;
import org.hibernate.Criteria;
import org.hibernate.HibernateException;
import org.hibernate.Query;
import org.hibernate.Session;
import org.hibernate.Transaction;
import org.hibernate.SessionFactory;
import org.hibernate.cfg.Configuration;
import org.hibernate.criterion.Expression;
import org.hibernate.criterion.Order;
public abstract class _BaseRootDAO {
public _BaseRootDAO () {}
public _BaseRootDAO (Session session) {
setSession(session);
}
protected static Map<String, SessionFactory> sessionFactoryMap;
protected SessionFactory sessionFactory;
protected Session session;
protected final static ThreadLocal<Session> currentSession = new ThreadLocal<Session>();
/**
* Return a new Session object that must be closed when the work has been completed.
* @return the active Session
*/
public Session getSession() {
return getSession(
getConfigurationFileName());
}
/**
* Return a new Session object that must be closed when the work has been completed.
* @param configFile the config file must match the meta attribute "config-file" in the hibernate mapping file
* @return the active Session
*/
protected Session getSession(String configFile) {
if (null != session && session.isOpen()) return session;
else if (null != sessionFactory) {
Session s = currentSession.get();
if (null == s || !s.isOpen()) {
s = sessionFactory.openSession();
currentSession.set(s);
}
return s;
}
else {
Session s = currentSession.get();
if (null == s || !s.isOpen()) {
s = getSessionFactory(configFile).openSession();
currentSession.set(s);
}
return s;
}
}
public void setSession (Session session) {
this.session = session;
}
/**
* Configure the session factory by reading hibernate config file
*/
public static void initialize () {
com.jspdev.biyesheji.dao._RootDAO.initialize(
(String) null);
}
/**
* Configure the session factory by reading hibernate config file
* @param configFileName the name of the configuration file
*/
public static void initialize (String configFileName) {
com.jspdev.biyesheji.dao._RootDAO.initialize(
configFileName,
com.jspdev.biyesheji.dao._RootDAO.getNewConfiguration(
null));
}
public static void initialize (String configFileName, Configuration configuration) {
if (null != sessionFactoryMap && null != sessionFactoryMap.get(configFileName)) return;
else {
if (null == configFileName) {
configuration.configure();
com.jspdev.biyesheji.dao._RootDAO.setSessionFactory(
null,
configuration.buildSessionFactory());
}
else {
configuration.configure(
configFileName);
com.jspdev.biyesheji.dao._RootDAO.setSessionFactory(
configFileName,
configuration.buildSessionFactory());
}
}
}
/**
* Set the session factory
*/
public void setSessionFactory (SessionFactory sessionFactory) {
this.sessionFactory = sessionFactory;
}
/**
* Set the session factory
*/
protected static void setSessionFactory (String configFileName, SessionFactory sf) {
if (null == configFileName) configFileName = "";
if (null == sessionFactoryMap) sessionFactoryMap = new HashMap<String, SessionFactory>();
sessionFactoryMap.put(
configFileName,
sf);
}
/**
* Return the SessionFactory that is to be used by these DAOs. Change this
* and implement your own strategy if you, for example, want to pull the SessionFactory
* from the JNDI tree.
*/
public SessionFactory getSessionFactory() {
if (null != sessionFactory) return sessionFactory;
else return getSessionFactory(
getConfigurationFileName());
}
public SessionFactory getSessionFactory(String configFileName) {
if (null == configFileName) configFileName = "";
if (null == sessionFactoryMap)
initialize(configFileName);
SessionFactory sf = (SessionFactory) sessionFactoryMap.get(configFileName);
if (null == sf)
throw new RuntimeException("The session factory for '" + configFileName + "' has not been initialized (or an error occured during initialization)");
else
return sf;
}
/**
* Close all sessions for the current thread
*/
public static void closeCurrentSession () {
Session s = currentSession.get();
if (null != s) {
if (s.isOpen()) s.close();
currentSession.set(null);
}
}
/**
* Close the session
*/
public void closeSession (Session session) {
if (null != session) session.close();
}
/**
* Begin the transaction related to the session
*/
public Transaction beginTransaction(Session s) {
return s.beginTransaction();
}
/**
* Commit the given transaction
*/
public void commitTransaction(Transaction t) {
t.commit();
}
/**
* Return a new Configuration to use. This is not a mistake and is meant
* to be overridden in the RootDAO if you want to do something different.
* The file name is passed in so you have that to access. The config file
* is read in the initialize method.
*/
public static Configuration getNewConfiguration (String configFileName) {
return new Configuration();
}
/**
* Return the name of the configuration file to be used with this DAO or null if default
*/
public String getConfigurationFileName () {
return null;
}
/**
* Return the specific Object class that will be used for class-specific
* implementation of this DAO.
* @return the reference Class
*/
protected abstract Class getReferenceClass();
/**
* Used by the base DAO classes but here for your modification
* Get object matching the given key and return it.
*/
protected Object get(Class refClass, Serializable key) {
Session s = null;
try {
s = getSession();
return get(refClass, key, s);
} finally {
closeSession(s);
}
}
/**
* Used by the base DAO classes but here for your modification
* Get object matching the given key and return it.
*/
protected Object get(Class refClass, Serializable key, Session s) {
return s.get(refClass, key);
}
/**
* Used by the base DAO classes but here for your modification
* Load object matching the given key and return it.
*/
protected Object load(Class refClass, Serializable key) {
Session s = null;
try {
s = getSession();
return load(refClass, key, s);
} finally {
closeSession(s);
}
}
/**
* Used by the base DAO classes but here for your modification
* Load object matching the given key and return it.
*/
protected Object load(Class refClass, Serializable key, Session s) {
return s.load(refClass, key);
}
/**
* Return all objects related to the implementation of this DAO with no filter.
*/
public java.util.List findAll () {
Session s = null;
try {
s = getSession();
return findAll(s);
}
finally {
closeSession(s);
}
}
/**
* Return all objects related to the implementation of this DAO with no filter.
* Use the session given.
* @param s the Session
*/
public java.util.List findAll (Session s) {
return findAll(s, getDefaultOrder());
}
/**
* Return all objects related to the implementation of this DAO with no filter.
*/
public java.util.List findAll (Order defaultOrder) {
Session s = null;
try {
s = getSession();
return findAll(s, defaultOrder);
}
finally {
closeSession(s);
}
}
/**
* Return all objects related to the implementation of this DAO with no filter.
* Use the session given.
* @param s the Session
*/
public java.util.List findAll (Session s, Order defaultOrder) {
Criteria crit = s.createCriteria(getReferenceClass());
if (nul
计算机毕业设计项目源码：struts 2Bhibernate实现的教务选课信息管理系统.rar
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计算机毕业设计项目源码：struts 2Bhibernate实现的教务选课信息管理系统.rar （336个子文件） 
_BaseRootDAO.class 15KB Student.class 6KB BaseStudent.class 5KB Teacher.class 5KB Sc.class 5KB BaseTeacherDAO.class 4KB BaseStudentDAO.class 4KB BaseMessageDAO.class 4KB BaseCourseDAO.class 4KB BaseSc.class 4KB Grade.class 4KB BaseGradeDAO.class 4KB BaseCourse.class 4KB BaseScDAO.class 4KB BaseNoteDAO.class 4KB Course.class 4KB BaseTeacher.class 4KB Message.class 4KB TeachersQueryAction.class 4KB BaseMessage.class 3KB BaseGrade.class 3KB StudentsQueryAction.class 3KB GradeQueryAction.class 3KB StuInfoForm.class 3KB addTeacherServlet.class 3KB addStudentServlet.class 3KB CoursesQueryAction.class 3KB GradeAction.class 3KB BaseNote.class 2KB HibernateSessionFactory.class 2KB LoginAction.class 2KB courseInfoServlet.class 2KB ScAction.class 2KB _BaseRootDAO$TransactionPointer.class 2KB f_tScServlet.class 2KB CourseForm.class 2KB t_fScServlet.class 2KB _BaseRootDAO$ThreadRunner.class 2KB TeaInfoForm.class 2KB BaseGradePK.class 2KB PasswordForm.class 2KB PageControlServlet.class 2KB deleteMessageServlet.class 2KB GradeForm.class 2KB CourseAction.class 2KB changeGradeServlet.class 2KB MessageForm.class 2KB SignonFilter.class 2KB PasswordAction.class 2KB MessageAction.class 2KB Note.class 2KB StudentsQueryForm.class 2KB deleteTeacherServlet.class 2KB TeachersQueryForm.class 2KB EncodingFilter.class 2KB CancelScAction.class 1KB GradeQueryForm.class 1KB LoginForm.class 1KB TeaInfoAction.class 1KB StuInfoAction.class 1KB CancelScForm.class 1KB DeleteTeachersAction.class 1KB DeleteStudentsAction.class 1KB DeleteCoursesAction.class 1KB CoursesQueryForm.class 1KB NoteAction.class 1KB ScForm.class 1KB deleteStudentServlet.class 1KB deleteCourseServlet.class 1KB NoteForm.class 1KB DeleteTeachersForm.class 1KB DeleteStudentsForm.class 1KB DeleteCoursesForm.class 1KB _BaseRootDAO$4.class 1017B _BaseRootDAO$1.class 996B Page.class 994B _BaseRootDAO$2.class 967B _BaseRootDAO$5.class 961B _BaseRootDAO$3.class 961B HibernateUtil.class 874B _BaseRootDAO$TransactionRunnableFailHandler.class 710B _BaseRootDAO$TransactionRunnable.class 679B GradePK.class 628B GradeDAO.class 543B TeacherDAO.class 529B StudentDAO.class 529B MessageDAO.class 529B CourseDAO.class 524B TeacherDAO.class 519B StudentDAO.class 519B GradeDAO.class 519B NoteDAO.class 514B CourseDAO.class 513B ScDAO.class 504B NoteDAO.class 501B _RootDAO.class 493B MessageDAO.class 337B ScDAO.class 317B _BaseRootDAO$TransactionFailHandler.class 300B .classpath 2KB共 336 条
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